Update tests from EasyMock 3.2 to 3.4.

git-svn-id: https://svn.apache.org/repos/asf/commons/proper/email/trunk@1744532 13f79535-47bb-0310-9956-ffa450edef68
diff --git a/pom.xml b/pom.xml
index 9c05dad..4b5a5b2 100644
--- a/pom.xml
+++ b/pom.xml
@@ -297,7 +297,7 @@
         <commons.encoding>UTF-8</commons.encoding>
         
         <powermock.version>1.6.5</powermock.version>
-        <easymock.version>3.2</easymock.version>
+        <easymock.version>3.4</easymock.version>
         <findbugs.version>2.5.5</findbugs.version>
     </properties>